diff --git a/tests/test.rfb.js b/tests/test.rfb.js
index 18e5c1d1..98d5629d 100644
--- a/tests/test.rfb.js
+++ b/tests/test.rfb.js
@@ -1623,7 +1623,7 @@ describe('Remote Frame Buffer Protocol Client', function () {
                     expect(RFB.messages.pixelFormat).to.have.been.calledBefore(RFB.messages.clientEncodings);
                     expect(RFB.messages.clientEncodings).to.have.been.calledOnce;
                     expect(RFB.messages.clientEncodings.getCall(0).args[1]).to.include(encodings.encodingTight);
-                    RFB.messages.clientEncodings.getCall(0).args[1].forEach(enc => {
+                    RFB.messages.clientEncodings.getCall(0).args[1].forEach((enc) => {
                         expect(enc).to.be.a('number');
                         expect(Number.isInteger(enc)).to.be.true;
                     });